"I felt too shy to ask the Messenger of Allah (ﷺ) about prostatic fluid because of Fatimah, so I told Al-Miqdad bin Al-Aswad to ask about it, and he (the Prophet (ﷺ)) said: 'Perform Wudu' for that.'"
Sunan an-Nasa'i Book 1, Hadith 158
← Previous Hadith ) For his daughter is married to me and I feel too shy to ask him. So I asked the Messenger of Allah (ﷺ) about that and he said: "If any one of you experiences that, let him sprinkle water on his private part and perform Wudu' as for Salah."

Sunan an-Nasa'i Book 1, Hadith 157 Next Hadith → "I came to a man called Safwan bin 'Assal and sat at his door. He came out and said: 'What do you want?' I said: 'I am seeking knowledge.' He said: 'The angels lower their wings for the seeker of knowledge out of pleasure at what he is seeking.' He said: 'What do you want to know about?' I said: 'About the Khuffs.' He said: 'When we were with the Messenger of Allah (ﷺ) on a journey, he told us not to take them off for three days except in the case of Janabah, but not in the case of defecation, urinating or sleep.'"

Sunan an-Nasa'i Book 1, Hadith 159